This affects rainfall in southern and central Australia. A positive IOD (warmer water in the western Indian Ocean) tends to suppress winter rain over Australia, worsening drought, while a negative IOD brings wetter conditions.
In the north, the world is ruled by the monsoon. The Top End sits in the tropics, where the year is not divided into four seasons, but two: the Wet and the Dry. During the Dry, the sky is a relentless, piercing blue, and the grass turns the colour of lion’s fur. But when the Wet arrives, the heavens open. The air grows heavy with moisture, thick enough to drink, and electrical storms dance across the horizon like jagged veins of light. Cyclones spin off the warm waters of the Timor and Coral Seas, battering the coast with winds that strip the leaves from the trees and reshape the shoreline. climate in australia
Australia is considered one of the most vulnerable developed nations to climate change. Key observed impacts include: This affects rainfall in southern and central Australia
Climate change in Australia | The Bureau of Meteorology - BoM The Top End sits in the tropics, where